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| Docklight running |
In the post dated 31 July 2013 about the USB-TTL UART interface, I described how I tested the interface using my PIC development board. A much simpler method requiring only the circuitry with the FT232RL chip is a loopback test arranged by connecting together the TTL TX and RX lines. Using the serial comms analysis software called "Docklight" a complete sequence can be set up before sending. I also configured Docklight to repeat the transmit sequence every 5 seconds; in image above TX data red, RX data green, timestamp and comments yellow.
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